21023728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6287}}^1$

素因数の和:6325

約数の個数: 40

約数和(自身を含む): 46782720

約数和(自身を除く): 25758992

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6287, 12574, 25148, 50296, 69157, 100592, 119453, 138314, 238906, 276628, 477812, 553256, 955624, 1106512, 1313983, 1911248, 2627966, 5255932, 10511864, 21023728]

約数ペア:

[(1, 21023728), (2, 10511864), (4, 5255932), (8, 2627966), (11, 1911248), (16, 1313983), (19, 1106512), (22, 955624), (38, 553256), (44, 477812), (76, 276628), (88, 238906), (152, 138314), (176, 119453), (209, 100592), (304, 69157), (418, 50296), (836, 25148), (1672, 12574), (3344, 6287)]